feat: wire ai, automations, fleets and ssh-terminal to snippets (B2)

plugins/ai/manifest.json

@@ -31,7 +31,8 @@
   },
   "optionalDependencies": {
     "workspaces": "^1.0.0",
-    "network-topology": "^1.0.0"
+    "network-topology": "^1.0.0",
+    "snippets": "^1.0.0"
   },
   "requires": [
     {
@@ -43,6 +44,11 @@
       "service": "network-topology.graph",
       "versionRange": "^1.0.0",
       "optional": true
+    },
+    {
+      "service": "snippets.access",
+      "versionRange": "^1.0.0",
+      "optional": true
     }
   ],
   "providesSecret": [

plugins/ai/src/backend/services.ts

@@ -51,3 +51,119 @@ export async function getNetworkTopology(
     return null;
   }
 }
+
+export interface SnippetSummary {
+  id: number;
+  name: string;
+  content: string;
+  description: string | null;
+  isNote: boolean;
+  folder: string | null;
+}
+
+/** Another plugin's snippets, as ctx.services.get("snippets.access") returns them. */
+interface SnippetsAccess {
+  list: () => Promise<SnippetSummary[]>;
+  get: (id: number) => Promise<{
+    id: number;
+    name: string;
+    content: string;
+    isNote: boolean;
+  } | null>;
+  create: (input: {
+    name: string;
+    content: string;
+    description?: string | null;
+    folder?: string | null;
+  }) => Promise<{ id: number; name: string }>;
+  update: (
+    id: number,
+    changes: {
+      name?: string;
+      content?: string;
+      description?: string | null;
+      folder?: string | null;
+    },
+  ) => Promise<void>;
+  remove: (id: number) => Promise<boolean>;
+}
+
+/**
+ * The user's own snippets, or null when the snippets plugin is off or the
+ * user may not use it. Optional: the list_snippets tool disappears without
+ * it, and the propose_*_snippet tools fail with a clear message.
+ */
+export async function listSnippets(
+  userId: string,
+): Promise<SnippetSummary[] | null> {
+  if (!current) return null;
+  try {
+    return await current
+      .get<SnippetsAccess>("snippets.access", { userId })
+      .list();
+  } catch {
+    return null;
+  }
+}
+
+export async function getSnippet(
+  userId: string,
+  id: number,
+): Promise<{
+  id: number;
+  name: string;
+  content: string;
+  isNote: boolean;
+} | null> {
+  if (!current) return null;
+  try {
+    return await current
+      .get<SnippetsAccess>("snippets.access", { userId })
+      .get(id);
+  } catch {
+    return null;
+  }
+}
+
+/**
+ * Requires the snippets plugin, unlike the read helpers above: a failed
+ * proposal apply must surface as an error the user sees, not silently no-op.
+ */
+function requireSnippetsAccess(userId: string): SnippetsAccess {
+  if (!current) {
+    throw new Error("The snippets plugin is disabled");
+  }
+  return current.get<SnippetsAccess>("snippets.access", { userId });
+}
+
+export async function createSnippet(
+  userId: string,
+  input: {
+    name: string;
+    content: string;
+    description?: string | null;
+    folder?: string | null;
+  },
+): Promise<{ id: number; name: string }> {
+  return requireSnippetsAccess(userId).create(input);
+}
+
+export async function updateSnippet(
+  userId: string,
+  id: number,
+  changes: {
+    name?: string;
+    content?: string;
+    description?: string | null;
+    folder?: string | null;
+  },
+): Promise<void> {
+  return requireSnippetsAccess(userId).update(id, changes);
+}
+
+export async function deleteSnippet(
+  userId: string,
+  id: number,
+): Promise<boolean> {
+  return requireSnippetsAccess(userId).remove(id);
+}

plugins/ai/src/backend/tools/executor.ts

@@ -2,13 +2,18 @@ import {
   createCurrentAutomationRepository,
   createCurrentFleetRepository,
   createCurrentHostRepository,
-  createCurrentSnippetRepository,
 } from "../../../../../src/backend/database/repositories/factory.js";
 import { validateDefinition } from "../../../../automations/src/backend/routes.js";
 import { resolveHostById } from "../../../../../src/backend/hosts/host-resolver.js";
 import { execCommand } from "../../../../../src/backend/hosts/metrics-shared/common-utils.js";
 import { withSshConnection } from "../ssh.js";
 import { getTool } from "./catalog.js";
+import {
+  createSnippet,
+  updateSnippet,
+  deleteSnippet,
+  getSnippet,
+} from "../services.js";
 
 /** Approved commands get a bounded window rather than hanging the request. */
 const COMMAND_TIMEOUT_MS = 60_000;
@@ -125,18 +130,15 @@ export async function applyProposal(
     }
 
     case "propose_create_snippet": {
-      const created = await createCurrentSnippetRepository().createSnippet(
+      const created = await createSnippet(userId, {
-        userId,
+        name: requireString(payload.name, "name"),
-        {
+        content: requireString(payload.content, "content"),
-          name: requireString(payload.name, "name"),
+        description: optionalString(payload.description),
-          content: requireString(payload.content, "content"),
+        folder: optionalString(payload.folder),
-          description: optionalString(payload.description),
+      });
-          folder: optionalString(payload.folder),
-        } as any,
-      );
       return {
         ok: true,
-        summary: `Created snippet ${(created as any)?.name ?? ""}`.trim(),
+        summary: `Created snippet ${created.name}`.trim(),
       };
     }
 
@@ -144,10 +146,7 @@ export async function applyProposal(
       const snippetId = requireNumber(payload.snippetId, "snippetId");
       const changes = (payload.changes ?? {}) as Record<string, unknown>;
 
-      const existing = await createCurrentSnippetRepository().findOwnedById(
+      const existing = await getSnippet(userId, snippetId);
-        userId,
-        snippetId,
-      );
       if (!existing) throw new Error("Snippet not found");
 
       const updates: Record<string, unknown> = {};
@@ -164,20 +163,13 @@ export async function applyProposal(
         return { ok: false, summary: "Nothing to change" };
       }
 
-      await createCurrentSnippetRepository().updateSnippet(
+      await updateSnippet(userId, snippetId, updates);
-        userId,
-        snippetId,
-        updates as any,
-      );
       return { ok: true, summary: `Updated snippet ${snippetId}` };
     }
 
     case "propose_delete_snippet": {
       const snippetId = requireNumber(payload.snippetId, "snippetId");
-      const deleted = await createCurrentSnippetRepository().deleteSnippet(
+      const deleted = await deleteSnippet(userId, snippetId);
-        userId,
-        snippetId,
-      );
       if (!deleted) throw new Error("Snippet not found");
       return { ok: true, summary: `Deleted snippet ${snippetId}` };
     }

plugins/ai/src/backend/tools/read-tools.ts

@@ -5,10 +5,13 @@ import {
   createCurrentFleetRepository,
   createCurrentHomepageItemRepository,
   createCurrentHostRepository,
-  createCurrentSnippetRepository,
 } from "../../../../../src/backend/database/repositories/factory.js";
 import { num, objectSchema, type AiTool } from "./types.js";
-import { listSavedWorkspaces, getNetworkTopology } from "../services.js";
+import {
+  listSavedWorkspaces,
+  getNetworkTopology,
+  listSnippets,
+} from "../services.js";
 
 /**
  * Read tools project explicit fields rather than spreading rows. Redaction runs
@@ -103,15 +106,14 @@ export const readTools: AiTool[] = [
   {
     name: "list_snippets",
     description:
-      "List the user's saved command snippets, including their folder and the command text.",
+      "List the user's saved command snippets, including their folder and the command text. Unavailable if the snippets plugin is disabled.",
     category: "read",
     parameters: objectSchema({}),
     handler: async (_args, context) => {
-      const snippets = await createCurrentSnippetRepository().listOwnedSnippets(
+      const snippets = await listSnippets(context.userId);
-        context.userId,
+      if (!snippets) return { unavailable: true, snippets: [] };
-      );
       return {
-        snippets: snippets.map((snippet: any) => ({
+        snippets: snippets.map((snippet) => ({
           id: snippet.id,
           name: snippet.name,
           content: snippet.content,

plugins/automations/manifest.json

@@ -26,6 +26,16 @@
     "network:serve",
     "ui:surface"
   ],
+  "optionalDependencies": {
+    "snippets": "^1.0.0"
+  },
+  "requires": [
+    {
+      "service": "snippets.access",
+      "versionRange": "^1.0.0",
+      "optional": true
+    }
+  ],
   "contributes": {
     "tabs": [
       {

plugins/automations/src/backend/actions/index.ts

@@ -8,11 +8,8 @@ import {
   shellSingleQuote,
 } from "../../../../../src/backend/hosts/metrics-shared/exec-elevated.js";
 import { withSshConnection } from "../ssh.js";
-import { resolveSnippetCommand } from "../../../../../src/backend/database/routes/snippets-execution.js";
+import { createCurrentNotificationChannelRepository } from "../../../../../src/backend/database/repositories/factory.js";
-import {
+import { getSnippet, resolveSnippetCommandFor } from "../snippets.js";
-  createCurrentNotificationChannelRepository,
-  createCurrentSnippetRepository,
-} from "../../../../../src/backend/database/repositories/factory.js";
 import { sendAutomationNotification } from "../notify.js";
 import { automationFetch } from "../http.js";
 import { renderRecord, renderTemplate } from "../template.js";
@@ -176,11 +173,9 @@ async function runSnippet(
   step: Extract<Step, { type: "run_snippet" }>,
   context: StepExecutionContext,
 ): Promise<StepResult> {
-  const snippet = await createCurrentSnippetRepository()
+  const snippet = await getSnippet(context.userId, step.snippetId);
-    .findOwnedById(context.userId, step.snippetId)
-    .catch(() => null);
 
-  if (!snippet) return fail("Snippet not found");
+  if (!snippet) return fail("Snippet not found, or the snippets plugin is off");
   if (snippet.isNote) return fail("Notes cannot be executed on a host");
 
   // Template values only ever reach the snippet through inputValues, never by
@@ -189,8 +184,9 @@ async function runSnippet(
   const inputValues = renderRecord(step.inputValues, context.template) ?? {};
 
   return runOnTargets(step.hostSelector, context, async (target) => {
-    const command = resolveSnippetCommand(
+    const command = await resolveSnippetCommandFor(
-      snippet.content,
+      context.userId,
+      step.snippetId,
       {
         ip: target.host.ip,
         username: target.host.username,
@@ -199,6 +195,9 @@ async function runSnippet(
       },
       inputValues,
     );
+    if (!command) {
+      return { output: "", error: "Snippet could not be resolved" };
+    }
 
     if (context.dryRun) {
       return { output: `Would run snippet on ${target.name}: ${command}` };

plugins/automations/src/backend/index.ts

@@ -1,5 +1,6 @@
 import type { PluginContext } from "@termix/plugin-sdk/backend";
 import { setPluginSsh } from "./ssh.js";
+import { setPluginServices } from "./snippets.js";
 import { startAutomationsService, stopAutomationsService } from "./routes.js";
 import {
   startAutomationScheduler,
@@ -9,6 +10,8 @@ import {
 export async function activate(ctx: PluginContext) {
   setPluginSsh(ctx.ssh);
   ctx.disposables.add(() => setPluginSsh(null));
+  setPluginServices(ctx.services);
+  ctx.disposables.add(() => setPluginServices(null));
   startAutomationsService(
     // The webhook route authenticates on its own per-automation token rather
     // than a session, which is the point of an inbound webhook.

plugins/automations/src/backend/snippets.ts

@@ -0,0 +1,64 @@
+import type { PluginServices } from "@termix/plugin-sdk/backend";
+
+let current: PluginServices | null = null;
+
+/** Set in activate, cleared on deactivate. */
+export function setPluginServices(services: PluginServices | null): void {
+  current = services;
+}
+
+/** Another plugin's snippets, as ctx.services.get("snippets.access") returns them. */
+interface SnippetsAccess {
+  get: (id: number) => Promise<{
+    id: number;
+    name: string;
+    content: string;
+    isNote: boolean;
+  } | null>;
+  resolveCommand: (
+    id: number,
+    vars: { ip?: string; username?: string; port?: number; name?: string },
+    inputValues?: Record<string, string>,
+  ) => Promise<string | null>;
+}
+
+/**
+ * A snippet's command, resolved against a target host and run as userId.
+ * Null when the snippets plugin is off, the user may not use it, or the
+ * snippet does not exist. Optional: the run_snippet step fails with a clear
+ * message without it, rather than the plugin failing to activate.
+ */
+export async function resolveSnippetCommandFor(
+  userId: string,
+  id: number,
+  vars: { ip?: string; username?: string; port?: number; name?: string },
+  inputValues?: Record<string, string>,
+): Promise<string | null> {
+  if (!current) return null;
+  try {
+    return await current
+      .get<SnippetsAccess>("snippets.access", { userId })
+      .resolveCommand(id, vars, inputValues);
+  } catch {
+    return null;
+  }
+}
+
+export async function getSnippet(
+  userId: string,
+  id: number,
+): Promise<{
+  id: number;
+  name: string;
+  content: string;
+  isNote: boolean;
+} | null> {
+  if (!current) return null;
+  try {
+    return await current
+      .get<SnippetsAccess>("snippets.access", { userId })
+      .get(id);
+  } catch {
+    return null;
+  }
+}

plugins/fleets/src/backend/command-variables.ts

@@ -0,0 +1,55 @@
+export interface CommandHostVars {
+  ip?: string;
+  username?: string;
+  port?: number | string;
+  name?: string;
+}
+
+const INPUT_PATTERN =
+  /\$\{INPUT_(\d+)(?::([^}$]+))?\}|\$INPUT_(\d+)(?![a-zA-Z0-9_])/g;
+
+function replaceVar(content: string, name: string, value?: string): string {
+  if (value === undefined) return content;
+  const pattern = new RegExp(`\\$\\{?${name}\\}?`, "g");
+  return content.replace(pattern, value);
+}
+
+/**
+ * $HOST/$USER/$PORT/$NAME/$INPUT_n substitution for an ad hoc fleet command,
+ * typed directly into the "run on fleet" box rather than loaded from a saved
+ * snippet. Mirrors the snippets plugin's own resolveSnippetCommand and the
+ * frontend's src/ui/lib/snippet-variables.ts - kept as a small standalone
+ * copy rather than a cross-plugin dependency for one pure function with no
+ * snippet data of its own to fetch.
+ */
+export function resolveCommandVariables(
+  content: string,
+  host: CommandHostVars | null,
+  inputValues: Record<string, string> = {},
+): string {
+  let resolved = content;
+
+  resolved = replaceVar(resolved, "HOST", host?.ip);
+  resolved = replaceVar(resolved, "USER", host?.username);
+  resolved = replaceVar(
+    resolved,
+    "PORT",
+    host?.port !== undefined ? String(host.port) : undefined,
+  );
+  resolved = replaceVar(resolved, "NAME", host?.name);
+
+  resolved = resolved.replace(
+    INPUT_PATTERN,
+    (
+      fullMatch,
+      braceDigits: string | undefined,
+      _label,
+      plainDigits: string | undefined,
+    ) => {
+      const key = `INPUT_${braceDigits ?? plainDigits}`;
+      return key in inputValues ? inputValues[key] : fullMatch;
+    },
+  );
+
+  return resolved;
+}

plugins/fleets/src/backend/routes.ts

@@ -35,7 +35,7 @@ import {
 } from "../../../../src/backend/hosts/metrics-shared/exec-elevated.js";
 import { buildPackageActionCommand } from "../../../../src/backend/hosts/metrics-shared/package-commands.js";
 import { isValidPackageName } from "../../../../src/backend/hosts/metrics-shared/validation.js";
-import { resolveSnippetCommand } from "../../../../src/backend/database/routes/snippets-execution.js";
+import { resolveCommandVariables } from "./command-variables.js";
 
 export const router = express.Router();
 
@@ -900,7 +900,7 @@ router.post(
             return { success: false, error: "Host not found" };
           }
 
-          const resolvedCommand = resolveSnippetCommand(
+          const resolvedCommand = resolveCommandVariables(
             command,
             {
               ip: fullHost.ip,

plugins/host-metrics/src/frontend/HostMetricsTab.tsx

@@ -16,11 +16,20 @@ import {
   getSSHHosts,
   type ServerMetrics,
 } from "@/main-axios.ts";
-import { SnippetVariablesDialog } from "@/components/SnippetVariablesDialog";
+import { SnippetVariablesDialog } from "@termix/plugin-sdk/ui";
 import { useAreaPreferences } from "@/contexts/UiPreferencesContext";
 import { useConfirmation } from "@/hooks/use-confirmation.ts";
-import { hasSnippetInputs } from "@/lib/snippet-variables.ts";
 import type { Snippet } from "@/types/ui-types.ts";
+
+// Mirrors the snippets plugin's own hasSnippetInputs: a pure check for
+// whether a snippet still has $INPUT_n placeholders once host variables are
+// substituted, so the quick-action dialog knows to ask before running.
+const SNIPPET_INPUT_PATTERN =
+  /\$\{INPUT_(\d+)(?::([^}$]+))?\}|\$INPUT_(\d+)(?![a-zA-Z0-9_])/g;
+function hasSnippetInputs(content: string): boolean {
+  SNIPPET_INPUT_PATTERN.lastIndex = 0;
+  return SNIPPET_INPUT_PATTERN.test(content);
+}
 import { TOTPDialog } from "@/ssh/dialogs/TOTPDialog.tsx";
 import { useTabsSafe } from "@/shell/TabContext.tsx";
 import { useTranslation } from "@termix/plugin-sdk/frontend";

plugins/host-metrics/tests/frontend/HostMetricsTab.test.tsx

@@ -5,6 +5,7 @@ import type { ServerMetrics } from "@/main-axios";
 
 vi.mock("react-i18next", () => ({
   useTranslation: () => ({ t: (key: string) => key }),
+  initReactI18next: { type: "3rdParty", init: () => {} },
 }));
 
 const SAMPLE = {

plugins/ssh-terminal/src/frontend/TerminalTabWithRegistry.tsx

@@ -0,0 +1,68 @@
+import { useEffect, useRef } from "react";
+import type { TabProps } from "@termix/plugin-sdk/frontend";
+import { TerminalTabContent } from "@/features/terminal/TerminalTabContent";
+import type { TabRenderProps } from "@/shell/tab-registry";
+import type { TerminalHandle } from "@/features/terminal/terminal-types";
+import { registerSession, setActiveSession } from "./session-registry";
+
+/**
+ * Wraps the core terminal tab component to register its ref in the session
+ * registry, so terminal.sendToActive/sendToSession (used by the snippets
+ * plugin, among others) can reach a live session without core exposing
+ * terminalRef through the public tab props.
+ */
+export function TerminalTabWithRegistry(props: TabProps) {
+  const tabRecord = props.tab as unknown as {
+    id: string;
+    terminalRef?: { current: TerminalHandle | null };
+  };
+  const host = props.host as
+    | {
+        id: string;
+        name?: string;
+        ip?: string;
+        username?: string;
+        port?: number;
+      }
+    | undefined;
+  const registeredRef = useRef<(() => void) | null>(null);
+
+  useEffect(() => {
+    let cancelled = false;
+    let attempts = 0;
+
+    const tryRegister = () => {
+      if (cancelled || registeredRef.current) return;
+      const ref = tabRecord.terminalRef?.current;
+      if (!ref) {
+        if (attempts++ < 40) setTimeout(tryRegister, 250);
+        return;
+      }
+      registeredRef.current = registerSession(
+        {
+          id: tabRecord.id,
+          hostId: host ? Number(host.id) || null : null,
+          hostName: host?.name,
+          ip: host?.ip,
+          username: host?.username,
+          port: host?.port,
+        },
+        ref,
+      );
+    };
+    tryRegister();
+
+    return () => {
+      cancelled = true;
+      registeredRef.current?.();
+      registeredRef.current = null;
+    };
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [tabRecord.id]);
+
+  useEffect(() => {
+    if (props.isFocusedPane) setActiveSession(tabRecord.id);
+  }, [props.isFocusedPane, tabRecord.id]);
+
+  return <TerminalTabContent {...(props as unknown as TabRenderProps)} />;
+}

plugins/ssh-terminal/src/frontend/index.tsx

@@ -5,16 +5,15 @@ import type {
   TabProps,
   TermixApp,
 } from "@termix/plugin-sdk/frontend";
-import {
+import { loadTerminal } from "@/features/terminal/TerminalTabContent";
-  TerminalTabContent,
-  loadTerminal,
-} from "@/features/terminal/TerminalTabContent";
 import TerminalApp from "@/features/terminal/TerminalApp";
 import {
   TERMINAL_DOCK_SLOT,
   TERMINAL_OVERLAY_SLOT,
   TERMINAL_TOOLBAR_SLOT,
 } from "@/features/terminal/terminal-slots";
+import { TerminalTabWithRegistry } from "./TerminalTabWithRegistry";
+import { listSessions, sendToActive, sendToSession } from "./session-registry";
 
 /** `?view=terminal` full-screen links. */
 function TerminalStandalone({ hostId, params }: StandaloneViewProps) {
@@ -33,7 +32,7 @@ function TerminalStandalone({ hostId, params }: StandaloneViewProps) {
 export function activate(app: TermixApp): void {
   app.registerTab(
     "terminal",
-    TerminalTabContent as unknown as ComponentType<TabProps>,
+    TerminalTabWithRegistry as unknown as ComponentType<TabProps>,
     {
       icon: Terminal,
       titleKey: "nav.terminal",
@@ -63,4 +62,17 @@ export function activate(app: TermixApp): void {
   app.declareActionSlot({ id: TERMINAL_TOOLBAR_SLOT, accepts: ["button"] });
   app.declareActionSlot({ id: TERMINAL_DOCK_SLOT, accepts: ["component"] });
   app.declareActionSlot({ id: TERMINAL_OVERLAY_SLOT, accepts: ["component"] });
+
+  // Lets another plugin (snippets) push text into a live terminal session
+  // without reaching into core's tab state itself.
+  app.registerAction("terminal.listSessions", () => listSessions());
+  app.registerAction("terminal.sendToActive", ((
+    text: string,
+    opts?: { run?: boolean },
+  ) => sendToActive(text, opts)) as never);
+  app.registerAction("terminal.sendToSession", ((
+    sessionId: string,
+    text: string,
+    opts?: { run?: boolean },
+  ) => sendToSession(sessionId, text, opts)) as never);
 }

plugins/ssh-terminal/src/frontend/session-registry.ts

@@ -0,0 +1,61 @@
+import type { TerminalHandle } from "@/features/terminal/terminal-types";
+
+export interface TerminalSessionInfo {
+  id: string;
+  hostId: number | null;
+  hostName?: string;
+  ip?: string;
+  username?: string;
+  port?: number;
+}
+
+interface Session extends TerminalSessionInfo {
+  ref: TerminalHandle;
+}
+
+const sessions = new Map<string, Session>();
+let activeId: string | null = null;
+
+/** Called by the terminal tab wrapper on mount/unmount and focus change. */
+export function registerSession(
+  info: TerminalSessionInfo,
+  ref: TerminalHandle,
+): () => void {
+  sessions.set(info.id, { ...info, ref });
+  return () => {
+    sessions.delete(info.id);
+    if (activeId === info.id) activeId = null;
+  };
+}
+
+export function setActiveSession(id: string | null): void {
+  activeId = id;
+}
+
+export function listSessions(): TerminalSessionInfo[] {
+  return [...sessions.values()].map(({ ref: _ref, ...info }) => info);
+}
+
+function send(session: Session, text: string, run?: boolean): void {
+  if (run) session.ref.sendInput(text + "\r");
+  else session.ref.paste(text);
+}
+
+export function sendToActive(text: string, opts?: { run?: boolean }): boolean {
+  if (!activeId) return false;
+  const session = sessions.get(activeId);
+  if (!session) return false;
+  send(session, text, opts?.run);
+  return true;
+}
+
+export function sendToSession(
+  sessionId: string,
+  text: string,
+  opts?: { run?: boolean },
+): boolean {
+  const session = sessions.get(sessionId);
+  if (!session) return false;
+  send(session, text, opts?.run);
+  return true;
+}

plugins/ssh-terminal/tests/frontend/activate.test.tsx

@@ -50,4 +50,27 @@ describe(`${manifest.id} activate`, () => {
     expect(app.registered.settingsComponents()).toEqual([]);
     expect(app.registered.actions()).toEqual([]);
   });
+
+  it("registers the terminal session actions snippets and other plugins call into", async () => {
+    rendered = await renderWithApp(plugin, { manifest, locales });
+    expect(rendered.registered.actions()).toEqual(
+      expect.arrayContaining([
+        "terminal.listSessions",
+        "terminal.sendToActive",
+        "terminal.sendToSession",
+      ]),
+    );
+  });
+
+  it("terminal.sendToActive and terminal.listSessions report no session when none is registered", async () => {
+    rendered = await renderWithApp(plugin, { manifest, locales });
+    await expect(
+      rendered.app.invokeAction("terminal.listSessions"),
+    ).resolves.toEqual([]);
+    await expect(
+      rendered.app.invokeAction("terminal.sendToActive", "echo hi", {
+        run: true,
+      }),
+    ).resolves.toBe(false);
+  });
 });